An general framework for the description of any Internet-based resource.

Subject, Predicate, and Object

Subject: Resource being described

Predicate: Trait or relationship

Object: Value of trait or object of relationship

Results: directed graph showing relationships of objects in the world

RDF Example

RDF Continued
RDF supports extensible vocabularies, or metadata term sets, to aid in data description. Extends and improves languages to describe data:
"Semantic Blogging" is an article whose author is a person with the name "Jordan Sissel" and major "Computer Science"